{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344861033",
    "entityType": "User",
    "nonce": "0xa94203909571cf0bf427899bf982b1ab716a10dc9a0ddbe1b95c2b7ee3735923",
    "signature": "0xa9fef1853649b69c8320ec124895ae1f4a66b1666fd94ece4cbb802563558c13109828ef4b3bc9d860915025ca477c44b4d26c70070fa49f6da7c35ef20b6b7b1b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}